AC in, 12V0.5A and 5V50mA dual-rail output for appliances power supply (PMP4387)

The PMP4387 is a low cost single side PCB board solution for AC in, 12V0.5A and 5V50mA dual-rail output on board design. By using primary side regulation (PSR) mode chip UCC28722 which drives bipolar power device, typical efficiency as high as 86.4% @230Vac full load is achieved. The overall size is limited in 43mmx28mmx16mm.